Calculation Examples; Memory Calculations - LEXIBOOK SC300i Manual De Instrucciones

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SPECIFICATIONS
Calculation: Scientific calculation, statistical calculation, currency conversion, etc.
Internal Calculations: Mantissas of up to 12 digits.
Power Source: 3V (DC), G13 (or equivalent) x 2
Operating time: Approx 1.5 year.
External Dimensions: 75mm x 134mm x 10.5mm
Accessories: Batteries x 2 (installed), instruction manual.

CALCULATION EXAMPLES

Arithmetic Operations
Example Key Operations Remarks
{1} {2} {3}
140
45 + 285÷3= 45 [+] 285 [÷] 3 [=]
18 + 6 = [ON/C] [ { ] 18 [+]
15 - 8 6 [ } ] [÷]
[{ ]15[-] 8
[=] 3.428571429
42 x [.5] + 42 [x] [+/-] 5
120 = [ 42 [x ] 5 [+/-] ]
[+] 120 [=] .90
[5 x 10³] ÷ 5 [Exp] 3 [÷]
[4 x 10³] = 4 [Exp] [+/-] 3
{4 [Exp] 3 [+/-]}
[=] 1250000
* The closing parenthesis [ } ] just before [=] or [M+] may be omitted.
Functions
{1} {2} {3}
DEG
sin 60* = [ON/C] [sin] 60 [=] 0.666025403
[ON/C] [cos] [{] RAD
cos π [rad] [2ndF] [π] [÷] 4
0.707106781
= [}] [=]
4
GRAD
tan [g] [ON/C] [2ndF] [tan [=] 50.
-1 -1]
*The results of inverse trigonometric functions are displayed within the
following range:
-1
θ = sin x
-1
-1 θ = cos
θ = tan π
DEG -90 ≤ θ ≤ 90 0 ≤ θ ≤ 180
RAD -π ≤ θ ≤ π 0 ≤ θ ≤ x
2 2
GRAD -100 ≤ θ ≤ 100 0 ≤ θ ≤ 200
© Lexibook 2005
{1}
(cosh 1.5 + [ON/C][{][hyp][cos]1.5
2
sinh 1.5) = [+][hyp][sin]1.5[}]
2
[x
-1
tanh 5/7= [ON/C][2ndF][arc hyp]
[tan][{]5÷7[}]=
ln 20 = [ON/C][ln]20=
log 50 = [ON/C][log]50=
3
e [ON/C][2ndF][e
{1}
1.7
10 [ON/C][2ndF]10
1/6+1/7 [ON/C]6[2ndF][x
[+]7[2ndF][x
Remarks
{4}
-2 4
8 -3 [ON/C]8[y
2
x5 = 3[y
[=]
3 ¼
[12 ] = [ON/C]12[y
[2ndF][x
4
49- 81 [ON/C][ ]49[-]4
[2ndF][
4!= [ON/C]4[2ndF][n!][=]
[4x3x2x1] n!=n.(n-1).(n-2)...2.1
P = [ON/C]10[2ndF][nPr]
10 3
nPr=n!/(n-r)! 3[=]
C = [ON/C]5[nCr]
5 2
nCr=n!/r!(n- 2[=]
r)!
500x25% 500[x]25[%]
120÷400=?% 120[÷]400[%]
{4}
500+[500x 500[+]25[%]
25%]
DEG
400-[400x 400[-]30%
30%]
RAD

Memory Calculations

{1}
GRAD
24÷(8x2)=
[g}
(8x2)x5=
23+45+78=
+)52-31+43=
-)64+73-12=
(A)
x
$1=¥104
¥25,090=$?
$2,750=¥?
r=3cm
{2} {3} {4}
][ =] 20.08553692
0.895879734
2.995732274
1.698970004
x
]3= 20.08553692
{2} {3} {4}
x
1.7[=] 50.11872336
-1
]
-1
][=] 0.309523809
x
][+/-]2[-]
x 2
]4[x]5[x ]
-2024.984375
x x
]3[y ]4
-1
][=] 6.447419591
x 4
]81[=]
24
720
10
125
30
625
280
{2} {3} {4}
M
8[x]2[STO][M] 16 (1)
M
24[÷][RCL][M][=] 1.5
M
80
[RCL][M][x]5[=]
[ON/C][STO][M] 0
M
23[+]45[+]78[M+] 146
M
52[-]31[+]43[M+] 64
64[+]73[-]12
M
[2ndF][M-] 125
M
(A)
[RCL][M] 85
(2)
104[STO][Y] 104
241.25
25090[÷][RCL][Y][=]
2750[x][RCL][Y][=] 286000
3[STO][Y] 3
8