rem alias k=set s=%@eval[%$] & echo %@eval[%$]

k 2**.5/2-sin(pi/4)=e1

k 2**.5/2-sin(pi/4)=e2

k 2**.5/2-sin(pi/4)=e3

k 2**.5/2-sin(pi/4)=e4

k 2**.5/2-sin(pi/4)=e5

k 2**.5/2-sin(pi/4)=e6

k 2**.5/2-sin(pi/4)=e7

k 2**.5/2-sin(pi/4)=e8

k 2**.5/2-sin(pi/4)=e9

k 2**.5/2-sin(pi/4)=e10

k 2**.5/2-sin(pi/4)=e11

k 2**.5/2-sin(pi/4)=e12

k 2**.5/2-sin(pi/4)=e13

k 2**.5/2-sin(pi/4)=e14

k 2**.5/2-sin(pi/4)=e15

k 2**.5/2-sin(pi/4)=e16

k 2**.5/2-sin(pi/4)=e17

k 2**.5/2-sin(pi/4)=e18

k 2**.5/2-sin(pi/4)=e19

k 2**.5/2-sin(pi/4)=e20

k 2**.5/2-sin(pi/4)=e21

k 2**.5/2-sin(pi/4)=e22

k 2**.5/2-sin(pi/4)=e23

k 2**.5/2-sin(pi/4)=e24

k 2**.5/2-sin(pi/4)=e25

k 2**.5/2-sin(pi/4)=e26

k 2**.5/2-sin(pi/4)=e27

k 2**.5/2-sin(pi/4)=e28

k 2**.5/2-sin(pi/4)=e29

k 2**.5/2-sin(pi/4)=e30

k 2**.5/2-sin(pi/4)=e31

k 2**.5/2-sin(pi/4)=e32

k 2**.5/2-sin(pi/4)=e33

k 2**.5/2-sin(pi/4)=e34

k 2**.5/2-sin(pi/4)=e35

k 2**.5/2-sin(pi/4)=e36

k 2**.5/2-sin(pi/4)=e37

k 2**.5/2-sin(pi/4)=e38

k 2**.5/2-sin(pi/4)=e39

k 2**.5/2-sin(pi/4)=e40

k 2**.5/2-sin(pi/4)=e41

k 2**.5/2-sin(pi/4)=e42

k 2**.5/2-sin(pi/4)=e43

k 2**.5/2-sin(pi/4)=e44

k 2**.5/2-sin(pi/4)=e45

====================

the results

0.0E+0

5.00E-23

5.000E-24

5.0000E-25

-5.00000E-26

0.000000E+0

0.0000000E+0

0.00000000E+0

-5.000000000E-30

0.0000000000E+0

5.00000000000E-32

0.000000000000E+0

0.0000000000000E+0

5.00000000000000E-35

0.000000000000000E+0

5.0000000000000000E-37

0.00000000000000000E+0

-5.000000000000000000E-39

0.0000000000000000000E+0

5.00000000000000000000E-41

-5.000000000000000000000E-42

0.0000000000000000000000E+0

5.00000000000000000000000E-44

0.000000000000000000000000E+0

-5.0000000000000000000000000E-46

0.00000000000000000000000000E+0

0.000000000000000000000000000E+0

5.0000000000000000000000000000E-49

-5.00000000000000000000000000000E-50

5.000000000000000000000000000000E-51

0.0000000000000000000000000000000E+0

5.00000000000000000000000000000000E-53

-5.000000000000000000000000000000000E-54

-5.0000000000000000000000000000000000E-55

0.00000000000000000000000000000000000E+0

0.000000000000000000000000000000000000E+0

5.0000000000000000000000000000000000000E-58

5.00000000000000000000000000000000000000E-59

0.000000000000000000000000000000000000000E+0

0.0000000000000000000000000000000000000000E+0

-5.00000000000000000000000000000000000000000E-62

0.000000000000000000000000000000000000000000E+0

0.0000000000000000000000000000000000000000000E+0

0.00000000000000000000000000000000000000000000E+0

-5.000000000000000000000000000000000000000000000E-66