# about me

I am md. abdus sattar , assistant teacher of government secondary high school. I live in sirajgonj , rajshahi ,bangladesh .

- acid base and salt
- algebraic
- algebraic expression
- algebraic ratio and proportion
- binomial expansion
- chemical reaction
- chemistry
- chemistry and energy
- chemistry in our lives
- circle
- class six
- concept of chemistry
- concept of mole and chemical counting
- coordinate geometry
- current electricity and circuit
- distance and elevation
- effect of heat on substances
- equation
- equation in one variable
- equation in two variables
- error
- exponent and logarithmic function
- first chapter
- force
- function
- geometric construction
- geometry
- higher mathematics
- inequality
- infinite series
- information and data
- limit calculus
- logarithm
- logarithmic theory
- mathematics
- mensuration
- metal and nonmental
- mineral resources
- mineral resources and fossils
- motion
- pattern
- percentage
- periodic table
- physical quantities and measurement
- physics
- pressure and states of matter
- probability
- profits
- pythagoras theorem
- ratio
- real numbers
- reflection of light
- relation
- resolution into factors
- series and sequence
- set
- similarity and symmetry
- solid geometry
- states of matter
- static electricity
- statistics
- structure of atom
- surds and indices
- tech
- trigonometry
- vector
- wave and sound
- work energy and power

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