Summation based benchmark for calculators

[Dave Britten]

Results from a Casio fx-720P with this program:

Code:

10 T=0
20 FOR X=1 TO 10:T=T+( EXP SIN ATNX)^(1/3): NEXT X
30 PRINT X

~4 sec. to produce 13.7118350167 for X=1 to 10
~43 sec. to produce 139.297187038 for X=1 to 100