3 ms·TI-BASIC is like this with its store operator →. I always liked it. 10→A A+10→Cby donatj 2y agoTI-BASIC is like this with its store operator →. I always liked it. 10→A A+10→Crecursive 2y agoIt also has an = operator, which saves the whole expression. It re-evaluates it then every time it was used.donatj 2y agoYep, CAS right in the BASIC on the 89 and up is a truly magical experience