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This is the standard way calculators have operated since forever. They don't evaluate a whole expression, they simply have an accumulator and you operate on it

This is the standard way calculators have operated since forever. They don't evaluate a whole expression, they simply have an accumulator and you operate on it one step at a time.

TeMPOraL 6y ago
Still, it's surprising that this behavior changes when you switch to "scientific" mode. The UI doesn't communicate it well.
andi999 6y ago
Never had such a calculator, but probably you are right.
- saagarjha 6y ago
  You’ve never used a cheap four function calculator?