        ("Currency Indian Rupee" . "₹")             
        ))
 
-(setq org-wiki-template-blocks
+(defvar org-wiki-template-blocks
       '(
         ("General code block" . "#+BEGIN_SRC \n\n#+END_SRC")
         ("Latex equation"     . "\\begin{equation} \n\n\\end{equation}")

        ))

;; Latex templates used by user command M-x org-wiki-insert-latex 
(setq org-wiki-latex-templates
      '(
        ("Latex equation block " . "\\begin{equation}\n\n\\end{equation}")
        ("Formula Fraction num/den - ½" . "\\frac{num}{den}")
        ("Formula Summation - Σ from a to b"    . "\\sum_{a}^{b}")
        ("Formula Product - Π from a to b" . "\\prod_{a}^{b}")
        ("Formula Binomial coefficient (n k) = n! / ((n -k)! x k!) " . "{n \\choose k}")
       
        ("Calculus Limit lim(x -> ∞) f(x)" . "\\lim_{x \\to \\infty} f(x)")
        ("Calculus Integral  - ∫ from a to b"  . "\\int_{a}^{b}")
        ("Calculus Infinity  - ∞" . "\\infty")
        ("Calculus Gradient, nabla - ∇" . "\\nabla")
        ("Calculus Derivate of f df/dx" . "\\frac{df}{dx}" )
        ("Calculus Second Derivate of f d^2f/dx^2" . "\\frac{d^2f}{dx^2}" )
        ("Calculus Derivate operation d/dx p(x)" . "\\frac{d}{dx} p(x)" )
        ("Calculus Second Derivate operation d^2/dx^2 p(x)" . "\\frac{d^2}{dx^2} p(x)" )
        ("Calculus Partial derivate - ∂" . "\\partial")       
        ("Calculus Partial derivate fraction ∂x/∂t" . "\\frac{\\partial x}{\\partial y}")
        ("Calculus Second Partial derivate fraction ∂2x/∂t2" . "\\frac{\\partial^2 x}{\\partial y^2}")

        ("Operator - Is not equal to <> or /="    . "\\neq")
        ("Operator - Equivalent or if only if ≡"  . "\\equiv")
        ("Operator - less or equal <="            . "\\eql")
        ("Operator - greater or equal >="         . "\\geq")
        ("Operator - times x"                     . "\\times")
        ("Operator - div %"                       . "\\div")
        ("Operator - Approximately ~="            . "\\prox")
        ("Operator - Proportional to ∝"           . "\\propto")              
        
        ("Escape - $"              . "\\textdollar")
        ("Escape - Underline - _ " . "\\_")
        ("Escape - Ampersand - &"  . "\\&")
        ("Escape - percent - %"    . "\\%")
        ("Escape - tilde ~"        . "\\sim")
        
        ("Func - limit" . "\\lim")
        ("Func - √ square root sqrt" . "\\sqrt{}")
        ("Func - n√ nth root" . "\\sqrt[n]{}")

        ("Enclosing () - Big parenthesis" . "\\left( <expr> \\right)")
        ("Enclosing \/ - Underbrace" . "\\underbrace{ <expr> }")
        ("Enclosing /\ - Overbrace" . "\\overbrace{ <expr> }")
        
        ("Accent - hat â, î" . "\\hat{}")
        ("Accent - grave à, ì" . "\\grave{}")
        ("Accent - bar - stroke over symbol" . "\\bar{}")
        ("Accent - tilde - ã, ĩ - tilde over symbol" . "\\tilde{}")
        ("Accent - dot (derivate) symbol" . "\\dot{}")
        ("Accent - double dot (double derivate) symbol" . "\\ddot{}")
        ("Accent - arrow over symbol, vector" . "\\vec{}")        
        
        ;; Set notation
        ("Sets - N Set of Natural Numbers" . "\\N")
        ("Sets - Z Set of Integers" . "\\Z")
        ("Sets - ℝ Real Numbers" . "\\R")
        ("Sets - C Complex Numbers" . "\\C")
        ("Sets - H Quaternions" . "\\H")
        ("Sets - ∈ Is member of" . "\\in")
        ("Sets - ∃ Exists" . "\\exists")
        ("Sets - ∀ forall universal quantifier" . "\\forall")
        ("Sets - ¬ Logical NOT" . "\\neg")
        ("Sets - ∨ Logical OR" . "\\lor")
        ("Sets - ∧ Logical OR" . "\\land")

        ;; Greek letters
        ("Greek α - lower alpha" . "\\alpha")
        ("Greek β - lower beta" . "\\beta")
        ("Greek σ - lower sigma" . "\\sigma")
        ("Greek Σ - upper sigma" . "\\Sigma")       
        ("Greek γ - lower gamma" . "\\gamma")
        ("Greek Γ - upper gamma" . "\\Gamma")
        ("Greek δ - lower delta" . "\\delta")
        ("Greek Δ - upper delta" . "\\Delta")
        ("Greek λ - lower lambda" . "\\lambda")
        ("Greek Λ - Upper lambda" . "\\Lambda")
        ("Greek ε - epsilon"     . "\\vepisilon")
        ("Greek ε - varepsilon"  . "\\episilon")
        ("Greek ζ - zeta" . "\\zeta")
        ("Greek η - eta" . "\\eta")
        ("Greek μ - mu" . "\\mu")
        ("Greek ρ - rho" . "\\rho")       
        ("Greek φ - lower phi" . "\\phi")
        ("Greek Φ - upper phi" . "\\Phi")       
        ("Greek ω - lower omega" . "\\omega")        
        ("Greek Ω - upper omega" . "\\Omega")
        ("Greek Ψ - psi" . "\\psi")                       
        ("Greek τ - tau" . "\\tau")
        ("Greek ι - lower iota" . "\\iota")
        ("Greek ξ - lower xi" . "\\xi")
        ("Greek Ξ - upper xi" . "\\xi")        

        ("Symbol -> Right arrow" . "\\rightarrow")
        ("Symbol <- Left arrow"  . "\\leftarrow")
        ("Symbol    Up arrow"    . "\\uparrow")
        ("Symbol    Down arrow"  . "\\downarrow")
        
        ))

(provide 'org-wiki)
;;; org-wiki.el ends here

          (candidates . ,org-wiki-template-blocks)
          (action . insert))))


;; ========= org-wiki Internal databases  =========== ;;

;; Variable containing useful math, physics, currencies and greek letters used by function
;; org-wiki-insert-symbol 
(defvar org-wiki-symbol-list
     '(
       ("alpha" .  "α")
       ("beta" .  "β")
