Home
PLUS
AI Generator Tools
New
AI Image Generator
Delivering creativity at your imagination.
New
AI Image Upscaler
Scale your images up to 4x a click!
New
AI Generative Fill
Remove and replace objects in seconds!
New
AI Background Blur
Blur backgrounds to make subjects stand out!
AI Background Remix
Professional backgrounds for your products.
AI Image Extender
Extend your images to different ratios.
AI Writer
Best writing companion for the digital age.
AI Background Remover
Remove unwanted backgrounds easily.
123RF PLUS
Get creative solutions powered by cutting-edge AI tools.
Go PLUS
We have 2 new AI tools!
Check out AI Image Upscaler and AI Generative Fill now!
OK
Free Images
Stock
Photos
Vectors
Video
Audio
Fonts
Corporate+
Pricing
Support
en
English
Deutsch
Español
Français
Magyar
Italiano
日本語
한국어
Nederland
Język polski
Português (PT)
Русский язык
简体中文
繁體中文
Türkçe
Login
Go unlimited
Search by image
Search 123RF with an image instead of text. Try dragging an image to the search box.
Drag and drop file or
Browse
Drag image here
All Images
Options
Search by image
PREMIUM
All Images
Photos
Vectors
Video
Audio
Fonts
FREE
PLUS
Handwritten mathematical formulas and graphs. Blackboard with calculations.
Mathematical formulas on the blackboard background. Vector illustration.
yurihoayda
Follow
Preview
Share
X
Facebook
Pinterest
155319199
Stock Vector
(SVG or EPS)
Related Stock Photo Searches
subtract
calculation
white
theorem
education
function
laboratory
writing
math
trigonometry
handwriting
geometry
background
science
problem
complex
knowledge
chalk
blackboard
handwritten
physics
mathematics
solution
drawing
multiplication
lab
graph
pattern
student
sign
technical
number
school
mathematical
equal
algebra
Similar stock images (Vector, SVG, and EPS)