CALCULATOR on ZX

Exist any calculator for ZX Spectrum ?

I find only this version:
http://velesoft.speccy.cz/other/kalkulacka.sna

http://velesoft.speccy.cz/other/kalkulacka.png

I need calculator with HEX/BIN/DEC modes:
http://velesoft.speccy.cz/other/kalkulacka.bmp

VELESOFT

It's two versions of ZX calculator:


Cool calculator, but work incorrect:
SHIFT+Z+C+L = START / SHIFT+SPACE = EXIT
http://velesoft.speccy.cz/other/kalk...cCientfRes.zip

http://velesoft.speccy.cz/other/kalkulacka-nova.png


Next calculator:
key ?????? (or RANDOMIZE USR 64299) = START / SS+A = EXIT
http://velesoft.speccy.cz/other/kalk...aInterrupt.zip

http://velesoft.speccy.cz/other/kalkulacka-nova2.png

VELESOFT