(11C) Digit Sum

[Gamo]

Here is a "4 Digits Random Number to the Digit Sum" for Practice adding digits.

To Run:
Press A and calculator briefly show 4 digits number then return 0.
Try to add the digits in your head and check to see the number and answer.

Press R/S shown number and X<>Y show answer. Press X<>Y again will cycle to number and answer.

Program:

Code:


LBL A
FIX 0
RAN#
EEX
4
x
INT
STO 0
PSE
CLx
RCL 0
0
STO 1
Roll Down
LBL 1
10
/
FRAC
STO+1
LSTx
INT
X≠0 (TEST 0)
GTO 1
10^x
10^x
RCL 1
x
STO 2
CLx
R/S
RCL 2
RCL 0
R/S

Gamo