E-16
  Examples
     sin 30°= 0.5   bv s 30  )= 0.5 
  
      sin 
−1 
0.5 = 30°   bv 1s(sin 
−1 
) 0.5  )= 30 
      sinh 1 = 1.175201194   wb(sinh) 1  )= 1.175201194 
  
      cosh 
–1 
 1 = 0    wf(cosh 
−1 
) 1  )= 0 
     π  /2 radians = 90°, 50 grads = 45°      v
  
     (15( π ) / 2  )1G(DRG ') c( 
r 
) =   90 
       50  1G(DRG ') d( 
g 
) = 45
       To calculate  e  
5  
 ×  2 to three significant digits (Sci 3)
  
1N(SETUP) 7(Sci) 3
     B   1i( %) 5  e* 2  = 
2.97×10  
2 
     b   1i( %) 5  )* 2  = 2.97×10  
2 
      log 
10 
1000 = log 1000 = 3   l 1000  )=  3 
  
      log 
2 
16 = 4     l 2  1)(,) 16  )=  4 
       B & 2  e 16  =  4
       To calculate ln 90 (= log 
e 
 90) to three significant digits (Sci 3) 
  
1N(SETUP) 7(Sci) 3 i 90  )= 4.50×10  
0 
      1.2  ×  10 
3 
 = 1200  B 1.2  * 10  6 3  = 1200 
  
      (1+1) 
2+2 
 = 16        B ( 1  + 1  )6 2  + 2  = 16 
      (5 
2 
) 
3 
 = 15625    ( 5  x)W= 15625 
     
32
5
 = 2               B 16(") 5  e 32  =  2 
      b 5 16(") 32  )=  2 
     To calculate  
'
2 
× 
3
(= 3 
'
2
 = 4.242640687...) to three decimal 
    places (Fix 3) 
1N(SETUP) 6(Fix) 3 B ! 2  e* 3  = 
3
'
2
         1= 4.243 
      b ! 2  )* 3  = 4.243 
      To convert rectangular coordinates (
'
2
, 
'
2
) to polar coordinates 
   v
  
     B 1+(Pol) ! 2  e1)(,) ! 2  e)= r=2,    =45 
     b  1+(Pol) ! 2  )1)(,) ! 2  ))= r=     2 
            =  45
       To convert polar coordinates (
'
2
, 45°) to rectangular coordinates 
   v
     B 1-(Rec) ! 2  e1)(,) 45  )= 
X=1, Y=1 
      (5 + 3) ! = 40320   ( 5  + 3  )1E( x !) = 40320
    
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