Online Algebra Calculator
Many of users do not use powerful Maxima computer algebra system for systematic work, but for ad hoc algebraic calculations – equations, functions, matrixes, etc. only. To do this job, it is not useful to download the whole application from a web site.
Function: smismatch (<string_1>, <string_2>)
Function: smismatch (<string_1>, <string_2>, <test>) Returns the position of the first character of <string_1> at which <string_1> and <string_2> differ or false. Default test function for matching is sequal. If smismatch should ignore case, use sequalignore as test.
(%i1) smismatch("seven","seventh");
(%o1) 6(%o1) true (%i2)