Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Information
This feature requires your approval of cookies
Home
Forum
^{+0}
Widgets
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Yes I am 16 or older
Cookie Consent
I accept third party cookies used to show me
personalized
ads. I also accept that these cookies are used to share information about my use of this site with advertising providers who may combine it with other information that I have provided to them or that they’ve collected from my use of their services.
I accept strictly necessary cookies that guarantee functions without which I could not use this website as intended.
Configure
I accept all cookies
unlimited
sponsored calculations per hour
All Questions
^{+0}
169960 Questions
0
563
3
How do I find sine theta of 1.030?
How do I find sine theta of 1.030? Id like to know the steps on how to go about this.
Melody
●
●
●
Guest
Jul 10, 2015
0
695
7
what is the awenswer to this math problem 7C 4
what is the awenswer to this math problem 7C 4
radix
●
●
●
●
●
●
●
Guest
Jul 10, 2015
0
840
5
sum from 0 to N of (N choose k)*(P^k)(1-P)^k
sum from 0 to N of (N choose k)*(P^k)(1-P)^k
Alan
●
●
●
●
●
Guest
Jul 10, 2015
0
511
1
Financial Investing, Help Please!
A person who is retiring at age 60 and who has $200,000 wants to leave an estate of at least $45,000. How much can the individual draw annually on the $200,000 (starting at the end of the year) if the funds earn 10 percent and the person's life expectancy
read more ..
Melody
●
Guest
Jul 10, 2015
0
592
1
how to add negative whole number with a negative fraction
how to add negative whole number with a negative fraction
●
Guest
Jul 10, 2015
Jul 9, 2015
0
504
1
+12
is 1 considered to be a prime number?
is 1 considered to be a prime number?
●
rubii
Jul 9, 2015
0
1192
1
Dan is standing 30 ft from a 65 ft building. What is the angle of elevation from his line of sight to the top of the building? (keep in mind
Dan is standing 30 ft from a 65 ft building. What is the angle of elevation from his line of sight to the top of the building? (keep in mind the fact that Dan is 6 ft tall!) Find the angle of elevation and round it to the nearest whole number. Enter only
read more ..
geno3141
●
Guest
Jul 9, 2015
0
527
1
does the infinite geometric series diverge or converge? 2+6+18+54+...
does the infinite geometric series diverge or converge? 2+6+18+54+...
●
Guest
Jul 9, 2015
0
673
1
Can you solve log sub base 2 (x+1) + log sub base 2 (x+7) =3 with steps showing how you get to the answer?
Can you solve log sub base 2 (x+1) + log sub base 2 (x+7) =3 with steps showing how you get to the answer? I get to the log sub base 2 (x+1)(x+7) = 3 but I don't know where to go from there.
geno3141
●
Guest
Jul 9, 2015
0
742
3
if 10x is 5 more than 10, what is the value of 2x?
if 10x is 5 more than 10, what is the value of 2x?
rubii
●
●
●
Guest
Jul 9, 2015
0
620
2
How much is 1000x 1.01(to the power of 1095)
How much is 1000x 1.01(to the power of 1095)
●
●
Guest
Jul 9, 2015
0
565
3
Inverted function
f(x)=e^x-1+2x-3
and the question is
inverted function of x (f^-1(x))=0
please answer with steps
read more ..
Melody
●
●
●
Guest
Jul 9, 2015
0
983
3
what is x if the equation is 2(tan-1(x/160)) = tan-1(x/60)?
what is x if the equation is 2(tan-1(x/160)) = tan-1(x/60)?
heureka
●
●
●
Guest
Jul 9, 2015
0
735
4
Is a negative number a whole number or not?
Is a negative number a whole number or not?
Melody
●
●
●
●
Guest
Jul 9, 2015
0
811
1
does the infinite geometric series diverge or converge? 2+6+18+54+...
does the infinite geometric series diverge or converge? 2+6+18+54+...
geno3141
●
Guest
Jul 9, 2015
0
533
1
a question
The ratio of x to y is 3 to 2, and the ratio of y to z is 4 to 3. If x, y, and z are positive numbers, what is the ratio of x to (y + z)?
CPhill
●
Guest
Jul 9, 2015
0
694
2
(2²*x²)-4*3x+[(2²¹/2²³-1)/[6²:[(3*9)+3²]]]+1³³ = -1²²
(2²*x²)-4*3x+[(2²¹/2²³-1)/[6²:[(3*9)+3²]]]+1³³ = -1²²
Melody
●
●
Guest
Jul 9, 2015
0
2461
1
what is the sum of the first 10 terms of the sequence defined by ^an=2n-3?
what is the sum of the first 10 terms of the sequence defined by ^an=2n-3?
CPhill
●
Guest
Jul 9, 2015
0
505
2
how do i do this
Sam divided a number of marbles into 5 equal groupd and found he had 1 left over. When he tried to divide them into group ,he had 2 left over.If Sam had more than 20 marbles, what was the least possible number of marbles that he had.
●
●
Guest
Jul 9, 2015
0
574
2
exponents
how to do .0888 to the 60th power on scientific calculator
Melody
●
●
Guest
Jul 9, 2015
«
latest
6797
6796
..
1903
1902
1901
1900
1899
..
2
1
»
16 Online Users
Top Users
+111329
CPhill
moderator
+109524
Melody
moderator
+30088
Alan
moderator
+24983
heureka
+23681
ElectricPavlov
+21000
geno3141
+12212
Omi67
moderator
+9479
asinus
moderator
+8962
hectictar
+8259
DragonSlayer554
+7826
MaxWong
Sticky Topics
removed
Loads of fun printable number and logic puzzles
Has your answer tab disappeared ?
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
Filter Issues
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
https://www.desmos.com/calculator/bsh9ex1zxj
@ Is PROCRASTINATION a problem for you ?
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material