J. A. Associates

 

RPN Engineering Calculator
Magnetics Keyboard Functions

function Click Ctrl+ Alt+ Ctrl+Alt+ Shift+ Sh+Ctrl+ Sh+Alt+ Sh+Ctrl+Alt+
awg1 CMAi to to CMAb to dia(in) to dia(mm) to CMAi to lbs/ft dia(in) to awg dia(mm) to awg
W W/ft W/m W/cm W/lb W/in W/mm W/10³ ft g/W
Ls L(µH) n radius length recalc.2      
mtl OD ID Ht   recalc. toroidal core
length width wdg Ht   recalc. rectangular bobbin
start dia wdg dia     recalc. round bobbin
Q freq. Rdc L Bm recalc. (mpp) right click for µ and cd
PL B(g) f(kHz)     recalc. (ferrites) right click for matl
mH³ Calculator n AL   L      
Pc B(g) f(kHz) µ   recalc. mpp core loss
H Calculator n I le H      
Hµ H µ     recalc. mpp µ vs. DC bias
v-s E to V-S   E to F   V-S to E Sine, enter(^)4 unknown
  E to V-S   E to F   V-S to E Sqr.
p pi pi² pi^⅓ 2pi reciprocal
Bm Calculator n Ae freq. Bm  
Ø-B
Øt      

Bm

 Øt<>5Bm: Ae(^) 
Øt Øt n F(Hz) E(v)2 recalc.      
Nø Øt n V-S   recalc.      
Lµ Calculator n Ae le L  
µe
lo le Ae   recalc. find µe
Bµ B(g)   µ   recalc. mpp µe vs. AC flux
  n     recalc. Ae(^), le ¸, n Ctrl+Click (find Lf)
'C' Calculator E F G D      
dia dia(in) awg(bare)     awg(ins)      
Notes:

1.    Right Click AWG to select insulation (Single, Heavy, Triple, or Quad). Right Click the other light blue buttons to selecting units or other special setup requirements.

2.    Recalc. means: Input a new value for one of the known variables and Click the appropriate button while pressing the Shift key to calculate a new answer for the same unknown variable.

3.    These pale yellow buttons are the Multiple-Entry Calculators.  

4.    (^) is an abbreviation to clicking the [Enter <--] Button or pressing the Enter key on the keyboard.

5.    <>, is an abbreviation that means Convert between variables.

6.    See the Help file that comes with the RPN Engineering Calculator software for a more complete description of the available functions.

7.    To print this table set the Left and Right print margins as small as your printer allows. 

In Windows Explorer, Click File, Page Setup, and change the margins to something less than 0.75".

Click to see individual Keypad Keyboard Functions

Copyright ©2008 J. A. Associates. All rights reserved.

Last Update: 04/30/2008