![]() TIP #237 Adds arbitrary-precision integers. TIP #232 Adds the to add new functions at the script level. Tcl help TIP #123 Adds exponentiation Operator to expr. Numerical Analysis in Tcl Sample Math Programs Extremely simple math examples. Math function help Modeling COND with expr Braced expressions can span several lines. in and ni expr operators to test for list membership. ![]() infix A package to facilitate writing sequences of mathematical formulae in the familiar infix form. for How can I do math in Tcl if Importing expr functions An exploration into using expr functions without explictly calling expr. expr problems with int Historical (pre- 8.5) information on the limits of number representation (both integer and float) inherited from C. Floating-point formatting Also explains how to format a floating point value without disturbing the disturbing the internal representation. If no variable is provided, The $expr is used. Assigns the result to the given variable. ycl math =, by PYK A more concise version of expr. double substitution exprlex and funclex Splits expressions and functions into their lexical components. DebuggingExprCalls explains how to wrap expr to help with these cases. Converting numbers from arbitrary bases DebuggingExprCalls rwm: Sometimes it is difficult to debug expr calls where the operands are variables. A real problem Arbitrary precision math procedures Brace your expr-essions compute More syntactic sugar for expr. See Also A little math language Adds features & syntactic sugar to expr. Unsuitability of expr for time offset calculationsĮxpr, a built-in Tcl command, evaluates an expression.(Tcl 8.4 and older) 32-bit integer limitations.The 'Dot' Trick for Unbraced Expressions.String Representation of Floating Point Numbers.
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