Calculator without Digit Buttons

Last modified: Wed Aug 29 22:25:12 2001 JST
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Please generate numbers by pushing function keys.
This is my original puzzle. Trigonometric functions are calculated in degrees.

Examples

Number Sequence Steps
1 cos 1
2 cos 10^x x^2 log 4
3 cos 10^x sqrt 1/x acos tan 6
4 cos 10^x x^2 log x^2 5
5 cos 10^x 10^x sqrt log 5
6 cos 10^x sqrt 1/x acos tan 10^x x^2 log 9
7 cos atan cos 10^x sqrt log acos tan x^2 9
8 cos 10^x x^2 x^2 x^2 log 6
9 cos 10^x sqrt 1/x acos tan x^2 7
10 cos 10^x 2
11 cos 10^x sqrt atan cos 1/x x^2 7
12 cos 10^x sqrt atan cos atan sin 1/x x^2 9
13 cos 10^x x^2 x^2 sin acos sqrt 1/x acos tan 10
14 cos 10^x sqrt log x^2 asin tan acos tan x^2 10
15 cos 10^x sqrt log asin 10^x sqrt log 8
16 cos 10^x x^2 log x^2 x^2 6
17 cos 10^x x^2 log x^2 atan cos 1/x x^2 9
18 cos 10^x sqrt 1/x acos tan x^2 10^x x^2 log 10
19 acos sqrt 10^x x^2 log atan cos 1/x 8
20 cos 10^x 10^x x^2 log 5

Questions


Naoyuki Tamura