diff --git a/.gitignore b/.gitignore
index 6b3e9d5..2074dd2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,12 @@ Tpc156.5_pseudo-muS_muB_r0.4QMHRG2020_BI
 HRG_LCP*
 P_div*
 s_div*
-testing/base/test.d
+*.d
+*.redmine
+*.tex
 examples/chi2B.txt
 
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/applications/main_getBeta.py b/applications/main_getBeta.py
index 2c53128..fb4eb6a 100755
--- a/applications/main_getBeta.py
+++ b/applications/main_getBeta.py
@@ -9,7 +9,8 @@
 #
 
 import argparse
-from latqcdtools.physics.referenceScales import r0_div_a, r0_hQCD_2014, a_times_fk, fk_phys, ignoreBetaRange, CY_FK_PHYS, CY_A_TIMES_FK, CY_A_DIV_R0
+from latqcdtools.physics.referenceScales import r0_div_a, a_times_fk, ignoreBetaRange, CY_phys, CY_param
+from latqcdtools.physics.constants import fk_phys, r0_phys
 from latqcdtools.base.utilities import getArgs
 from latqcdtools.math.optimize import persistentSolve
 import latqcdtools.base.logger as logger
@@ -32,19 +33,18 @@
 Nt         = args.Nt
 scaleYear  = args.scaleYear
 paramYear  = args.paramYear
-beta_guess = 6
+beta_guess = 6.0
+
+if paramYear is None:
+    paramYear = CY_param[scale]
+if scaleYear is None:
+    scaleYear = CY_phys[scale]
 
 # Implement target_T - T as the LHS of the solver.
 if scale == 'r0':
-    if paramYear is None:
-        paramYear = CY_A_DIV_R0
     def LHS(beta):
-        return r0_div_a(beta,paramYear)/r0_hQCD_2014("MeVinv")/Nt - T
+        return r0_div_a(beta,paramYear)/r0_phys(scaleYear,units="MeVinv")/Nt - T
 elif scale == 'fk':
-    if scaleYear is None:
-        scaleYear = CY_FK_PHYS
-    if paramYear is None:
-        paramYear = CY_A_TIMES_FK 
     def LHS(beta):
         return fk_phys(scaleYear,units="MeV")/a_times_fk(beta,paramYear)/Nt - T
 else:
diff --git a/applications/main_getTempAndSpacing.py b/applications/main_getTempAndSpacing.py
index 10e963b..daad352 100755
--- a/applications/main_getTempAndSpacing.py
+++ b/applications/main_getTempAndSpacing.py
@@ -11,7 +11,7 @@
 import argparse
 from latqcdtools.physics.lattice_params import latticeParams
 from latqcdtools.base.utilities import getArgs
-from latqcdtools.physics.referenceScales import CY_A_DIV_R0, CY_FK_PHYS, CY_A_TIMES_FK
+from latqcdtools.physics.referenceScales import CY_param, CY_phys 
 import latqcdtools.base.logger as logger
 
 logger.set_log_level('INFO')
@@ -38,16 +38,10 @@
 else:
     Ns = args.Ns
 
-if scale == 'r0':
-    if paramYear is None:
-        paramYear = CY_A_DIV_R0
-elif scale == 'fk':
-    if scaleYear is None:
-        scaleYear = CY_FK_PHYS
-    if paramYear is None:
-        paramYear = CY_A_TIMES_FK 
-else:
-    logger.TBError('Beta extraction not yet implemented for scale',scale)
+if paramYear is None:
+    paramYear = CY_param[scale]
+if scaleYear is None:
+    scaleYear = CY_phys[scale]
 
 lp = latticeParams(Ns, Nt, beta, mass1=None, mass2=None, scaleType=scale, paramYear=paramYear, scaleYear=scaleYear)
 
diff --git a/latqcdtools/interfaces/interfaces.py b/latqcdtools/interfaces/interfaces.py
index af8a4e1..40c4f71 100644
--- a/latqcdtools/interfaces/interfaces.py
+++ b/latqcdtools/interfaces/interfaces.py
@@ -6,6 +6,8 @@
 # Some common classes and functions that may be shared among multiple interfaces modules.
 #
 
+import re
+from sys import set_coroutine_origin_tracking_depth
 import yaml
 import numpy as np
 from latqcdtools.physics.lattice_params import latticeParams
@@ -83,4 +85,97 @@ def loadYAML(filename):
         try:
             return yaml.safe_load(stream)
         except yaml.YAMLError as exc:
-            logger.TBError('Encountered exception:',exc)
\ No newline at end of file
+            logger.TBError('Encountered exception:',exc)
+            
+            
+class genericTable(list):
+    
+    def __init__(self,delimiter=None,pre='',post=''):
+        """ genericTable objects are to streamline output tables in an arbitrary format. A genericTable
+        is implemented as a list of lists.
+
+        Args:
+            delimiter (str, optional)
+            pre (str, optional): String to appear at beginning of every line table. Defaults to ''.
+            post (str, optional): String to appear at end of every line of table. Defaults to ''.
+        """
+        if delimiter is None:
+            logger.TBError('Please set a delimiter.')
+        checkType(delimiter,str)
+        checkType(pre,str)
+        checkType(post,str)
+        self.delimiter=delimiter
+        self.pre=pre
+        self.post=post
+
+    def append(self, item):
+        checkType(item, list)
+        super(genericTable, self).append(item)
+        
+    def outputTable(self,filename=None):
+        """ Lets you output a table.
+
+        Args:
+            filename (str, optional): If set, will output to file. Otherwise output to screen. 
+        """
+        if filename is not None:
+            outFile = open(filename,'w')
+        for row in self:
+            line = self.pre + ' ' +  str(row[0])
+            for col in range(1,len(row)):
+                line += ' ' + self.delimiter + ' ' + str(row[col])
+            line += ' ' + self.post
+            if filename is None:
+                logger.info(line)
+            else:
+                outFile.write(line+'\n')
+        if filename is not None:
+            outFile.close()
+
+
+class latexTable(genericTable):
+    def __init__(self):
+        super().__init__(delimiter='&', pre='', post='\\\\')
+
+
+class redmineTable(genericTable):
+    def __init__(self):
+        super().__init__(delimiter='|', pre='|', post='|')
+
+
+def convertTable(source,target):
+    """ Convert a source table into a target table. The assumption for the source file is that
+    is that the only lines are table lines, i.e. there's no intervening \hline or something like that.
+    The table type is determined by the file extensions of source and target.
+
+    Args:
+        source (str): source filename 
+        target (str): target filename 
+    """
+    checkType(source,str)
+    checkType(target,str)
+    sourceType = source.split('.')[-1]
+    targetType = target.split('.')[-1]
+    inFile = open(source,'r')
+    if sourceType == 'tex':
+        sourceTable = latexTable()
+    elif sourceType == 'redmine':
+        sourceTable = redmineTable()
+    else: 
+        logger.TBError('Unknown source file type',sourceType)
+    if targetType == 'tex':
+        targetTable = latexTable()
+    elif targetType == 'redmine':
+        targetTable = redmineTable()
+    else: 
+        logger.TBError('Unknown target file type',targetType)
+    for row in inFile:
+        start = len(sourceTable.pre)
+        end = len(sourceTable.post)
+        if end==2: # This is for LaTeX
+            end=3
+        items = row[start:-end]
+        items = items.split(sourceTable.delimiter)
+        targetTable.append(items)
+    targetTable.outputTable(target)
+    inFile.close()
\ No newline at end of file
diff --git a/latqcdtools/math/optimize.py b/latqcdtools/math/optimize.py
index 4ce1648..868b2fe 100644
--- a/latqcdtools/math/optimize.py
+++ b/latqcdtools/math/optimize.py
@@ -10,32 +10,37 @@
 from scipy.optimize import newton_krylov, fsolve, root
 from scipy.optimize.nonlin import NoConvergence
 import latqcdtools.base.logger as logger
-from latqcdtools.base.check import DivideByZeroError, InvalidValueError
+from latqcdtools.base.check import DivideByZeroError, InvalidValueError, checkType
 from latqcdtools.base.utilities import unvector, envector 
 
 
 # This is the base list of exceptions. If encountered, we treat the solve as unreliable.
 opt_exceptions = (NoConvergence, FloatingPointError, ValueError, RuntimeWarning, DivideByZeroError, InvalidValueError)
 
+root_methods =['hybr','lm','broyden1','broyden2','anderson','diagbroyden','krylov']
 
-def persistentSolve(LHS, guess, tol=1e-8, maxiter=200):
+
+def persistentSolve(LHS, guess, tol=1e-8, maxiter=300):
     """ Attempt to solve LHS==0 using, in this order, SciPy's newton_krylov, fsolve, and root. """
+    checkType(tol,float)
+    checkType(maxiter,int)
     try:
         logger.debug("Trying newton_krylov.")
-        solution = unvector( newton_krylov(LHS, guess, f_tol=tol, inner_maxiter=maxiter) )
+        return newton_krylov(LHS, guess, f_tol=tol, inner_maxiter=maxiter)
     except opt_exceptions:
         try:
             logger.debug("Trying fsolve.")
-            solution = unvector( fsolve(LHS, guess, xtol=tol, maxfev=maxiter) )
+            return fsolve(LHS, guess, xtol=tol, maxfev=maxiter)
         except opt_exceptions:
             try:
                 logger.debug("Trying root.")
-                solution = unvector( root(LHS, guess, tol=tol) )
-                if type(solution).__name__ == "OptimizeResult":
-                    raise RuntimeWarning('RuntimeWarning: Bad progress on root solve.')
-            except Exception as e:
-                raise e
-    return unvector(solution)
+                for method in root_methods:
+                    try:  
+                        return root(LHS, guess, tol=tol, method=method).x
+                    except:
+                        continue
+            except:
+                raise NoConvergence
 
 
 def minimize(func, jack=None, hess=None, start_params=None, tol=1e-12, maxiter=10000, algorithm=None):
diff --git a/testing/interfaces/testInterfaces.py b/testing/interfaces/testInterfaces.py
new file mode 100644
index 0000000..33749fb
--- /dev/null
+++ b/testing/interfaces/testInterfaces.py
@@ -0,0 +1,28 @@
+# 
+# testInterfaces.py                                                               
+# 
+# D. Clarke
+# 
+# Testing of some generic interfacing tools. 
+# 
+
+from latqcdtools.interfaces.interfaces import latexTable, redmineTable 
+import latqcdtools.base.logger as logger
+
+logger.set_log_level('INFO')
+
+def testInterfaces():
+    test = latexTable() 
+    test.append([1,2,3])
+    test.append([1,2,3])
+    test.append([1,2,3])
+    test.outputTable('testInterface.tex')
+    test = redmineTable() 
+    test.append([1,2,3])
+    test.append([1,2,3])
+    test.append([1,2,3])
+    test.outputTable('testInterface.redmine')
+    logger.TBPass('No problems encountered.')
+
+if __name__ == '__main__':
+    testInterfaces()
\ No newline at end of file
diff --git a/testing/runTests.bash b/testing/runTests.bash
index e4d7153..be568e6 100755
--- a/testing/runTests.bash
+++ b/testing/runTests.bash
@@ -35,6 +35,7 @@ cd ..
 
 cd interfaces
 runTestRoutine testReadWriteConf.py
+runTestRoutine testInterfaces.py
 cd ..