tabbyCalc

A unique minimalist calculator that basically emulates a sheet of paper and pencil; but you can type instead of write!  Bloat & fancy colored buttons free!

download links:

(updated 8/21/06)

.zip, no installer
tabbyCalc v2.0b (690kb, 2.0 beta!)

installer (470kb)
tabbyCalc v1.2

.zip, no installer (384kb)
tabbyCalc v1.2

You can easily change the windows calculator to tabbyCalc with the following script.  100% safe.
replace-windowsxpcalc.zip  (1kb)